I like my theater lighting! It makes for an interesting subject.
"Why are your lights red?"
"Because, at night, your eyes can see red without messing up your night vision. So if you drop something in the middle of the night and use the map lights, I can still see and drive just fine once you turn if off."
Originally Posted by Fact Core from Portal 2
Before the Wright Brothers invented the airplane, anyone wanting to fly anywhere was required to eat 200 pounds of helium.